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Merge tag 'xrandr_branch_point' into wayland-kms-base

Browse Source 
Conflicts:
	src/Makefile.am
	src/core/display.c
	src/core/screen-private.h
	src/core/screen.c
This commit is contained in:
Giovanni Campagna
2013-08-27 10:07:39 +02:00
parent 6526e9882b 62d908be42
commit aa15c09d54
25 changed files with 6128 additions and 307 deletions
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335
src/core/screen.c
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@@ -50,10 +50,6 @@
#include <X11/extensions/Xinerama.h>
#ifdef HAVE_RANDR
#include <X11/extensions/Xrandr.h>
#endif
#include <X11/Xatom.h>
#include <locale.h>
#include <string.h>
@@ -78,6 +74,9 @@ static void meta_screen_sn_event (SnMonitorEvent *event,
void *user_data);
#endif
static void on_monitors_changed (MetaMonitorManager *manager,
MetaScreen *screen);
enum
{
PROP_N_WORKSPACES = 1,
@@ -352,250 +351,93 @@ set_wm_icon_size_hint (MetaScreen *screen)
#undef N_VALS
}
/* The list of monitors reported by the windowing system might include
* mirrored monitors with identical bounds. Since mirrored monitors
* shouldn't be treated as separate monitors for most purposes, we
* filter them out here. (We ignore the possibility of partially
* overlapping monitors because they are rare and it's hard to come
* up with any sensible interpretation.)
*/
static void
filter_mirrored_monitors (MetaScreen *screen)
meta_screen_ensure_xinerama_indices (MetaScreen *screen)
{
int i, j;
XineramaScreenInfo *infos;
int n_infos, i, j;
/* Currently always true and simplifies things */
g_assert (screen->primary_monitor_index == 0);
if (screen->has_xinerama_indices)
return;
for (i = 1; i < screen->n_monitor_infos; i++)
screen->has_xinerama_indices = TRUE;
if (!XineramaIsActive (screen->display->xdisplay))
return;
infos = XineramaQueryScreens (screen->display->xdisplay, &n_infos);
if (n_infos <= 0 || infos == NULL)
{
/* In case we've filtered previous monitors */
screen->monitor_infos[i].number = i;
meta_XFree (infos);
return;
}
for (j = 0; j < i; j++)
for (i = 0; i < screen->n_monitor_infos; ++i)
{
for (j = 0; j < n_infos; ++j)
{
if (meta_rectangle_equal (&screen->monitor_infos[i].rect,
&screen->monitor_infos[j].rect))
{
memmove (&screen->monitor_infos[i],
&screen->monitor_infos[i + 1],
(screen->n_monitor_infos - i - 1) * sizeof (MetaMonitorInfo));
screen->n_monitor_infos--;
i--;
continue;
}
if (screen->monitor_infos[i].rect.x == infos[j].x_org &&
screen->monitor_infos[i].rect.y == infos[j].y_org &&
screen->monitor_infos[i].rect.width == infos[j].width &&
screen->monitor_infos[i].rect.height == infos[j].height)
screen->monitor_infos[i].xinerama_index = j;
}
}
meta_XFree (infos);
}
#ifdef HAVE_RANDR
static MetaMonitorInfo *
find_monitor_with_rect (MetaScreen *screen, int x, int y, int w, int h)
int
meta_screen_monitor_index_to_xinerama_index (MetaScreen *screen,
int index)
{
meta_screen_ensure_xinerama_indices (screen);
return screen->monitor_infos[index].xinerama_index;
}
int
meta_screen_xinerama_index_to_monitor_index (MetaScreen *screen,
int index)
{
MetaMonitorInfo *info;
int i;
meta_screen_ensure_xinerama_indices (screen);
for (i = 0; i < screen->n_monitor_infos; i++)
{
info = &screen->monitor_infos[i];
if (x == info->rect.x &&
y == info->rect.y &&
w == info->rect.width &&
h == info->rect.height)
return info;
}
return NULL;
if (screen->monitor_infos[i].xinerama_index == index)
return i;
return -1;
}
/* In the case of multiple outputs of a single crtc (mirroring), we consider one of the
* outputs the "main". This is the one we consider "owning" the windows, so if
* the mirroring is changed to a dual monitor setup then the windows are moved to the
* crtc that now has that main output. If one of the outputs is the primary that is
* always the main, otherwise we just use the first.
*/
static XID
find_main_output_for_crtc (MetaScreen *screen, XRRScreenResources *resources, XRRCrtcInfo *crtc)
{
XRROutputInfo *output;
RROutput primary_output;
int i;
XID res;
primary_output = XRRGetOutputPrimary (screen->display->xdisplay, screen->xroot);
res = None;
for (i = 0; i < crtc->noutput; i++)
{
output = XRRGetOutputInfo (screen->display->xdisplay, resources, crtc->outputs[i]);
if (output->connection != RR_Disconnected &&
(res == None || crtc->outputs[i] == primary_output))
res = crtc->outputs[i];
XRRFreeOutputInfo (output);
}
return res;
}
#endif
static void
reload_monitor_infos (MetaScreen *screen)
{
MetaDisplay *display;
GList *tmp;
MetaMonitorManager *manager;
{
GList *tmp;
tmp = screen->workspaces;
while (tmp != NULL)
{
MetaWorkspace *space = tmp->data;
tmp = screen->workspaces;
while (tmp != NULL)
{
MetaWorkspace *space = tmp->data;
meta_workspace_invalidate_work_area (space);
tmp = tmp->next;
}
meta_workspace_invalidate_work_area (space);
tmp = tmp->next;
}
}
/* Any previous screen->monitor_infos or screen->outputs is freed by the caller */
display = screen->display;
/* Any previous screen->monitor_infos is freed by the caller */
screen->monitor_infos = NULL;
screen->n_monitor_infos = 0;
screen->last_monitor_index = 0;
/* Xinerama doesn't have a concept of primary monitor, however XRandR
* does. However, the XRandR xinerama compat code always sorts the
* primary output first, so we rely on that here. We could use the
* native XRandR calls instead of xinerama, but that would be
* slightly problematic for _NET_WM_FULLSCREEN_MONITORS support, as
* that is defined in terms of xinerama monitor indexes.
* So, since we don't need anything in xrandr except the primary
* we can keep using xinerama and use the first monitor as the
* primary.
*/
screen->primary_monitor_index = 0;
screen->has_xinerama_indices = FALSE;
screen->display->monitor_cache_invalidated = TRUE;
if (g_getenv ("MUTTER_DEBUG_XINERAMA"))
{
meta_topic (META_DEBUG_XINERAMA,
"Pretending a single monitor has two Xinerama screens\n");
manager = meta_monitor_manager_get ();
screen->monitor_infos = g_new0 (MetaMonitorInfo, 2);
screen->n_monitor_infos = 2;
screen->monitor_infos[0].number = 0;
screen->monitor_infos[0].rect = screen->rect;
screen->monitor_infos[0].rect.width = screen->rect.width / 2;
screen->monitor_infos[0].in_fullscreen = -1;
screen->monitor_infos[1].number = 1;
screen->monitor_infos[1].rect = screen->rect;
screen->monitor_infos[1].rect.x = screen->rect.width / 2;
screen->monitor_infos[1].rect.width = screen->rect.width / 2;
screen->monitor_infos[0].in_fullscreen = -1;
}
if (screen->n_monitor_infos == 0 &&
XineramaIsActive (display->xdisplay))
{
XineramaScreenInfo *infos;
int n_infos;
int i;
n_infos = 0;
infos = XineramaQueryScreens (display->xdisplay, &n_infos);
meta_topic (META_DEBUG_XINERAMA,
"Found %d Xinerama screens on display %s\n",
n_infos, display->name);
if (n_infos > 0)
{
screen->monitor_infos = g_new0 (MetaMonitorInfo, n_infos);
screen->n_monitor_infos = n_infos;
i = 0;
while (i < n_infos)
{
screen->monitor_infos[i].number = infos[i].screen_number;
screen->monitor_infos[i].rect.x = infos[i].x_org;
screen->monitor_infos[i].rect.y = infos[i].y_org;
screen->monitor_infos[i].rect.width = infos[i].width;
screen->monitor_infos[i].rect.height = infos[i].height;
screen->monitor_infos[i].in_fullscreen = -1;
meta_topic (META_DEBUG_XINERAMA,
"Monitor %d is %d,%d %d x %d\n",
screen->monitor_infos[i].number,
screen->monitor_infos[i].rect.x,
screen->monitor_infos[i].rect.y,
screen->monitor_infos[i].rect.width,
screen->monitor_infos[i].rect.height);
++i;
}
}
meta_XFree (infos);
#ifdef HAVE_RANDR
{
XRRScreenResources *resources;
resources = XRRGetScreenResourcesCurrent (display->xdisplay, screen->xroot);
if (resources)
{
for (i = 0; i < resources->ncrtc; i++)
{
XRRCrtcInfo *crtc;
MetaMonitorInfo *info;
crtc = XRRGetCrtcInfo (display->xdisplay, resources, resources->crtcs[i]);
info = find_monitor_with_rect (screen, crtc->x, crtc->y, (int)crtc->width, (int)crtc->height);
if (info)
info->output = find_main_output_for_crtc (screen, resources, crtc);
XRRFreeCrtcInfo (crtc);
}
XRRFreeScreenResources (resources);
}
}
#endif
}
else if (screen->n_monitor_infos > 0)
{
meta_topic (META_DEBUG_XINERAMA,
"No Xinerama extension or Xinerama inactive on display %s\n",
display->name);
}
/* If no Xinerama, fill in the single screen info so
* we can use the field unconditionally
*/
if (screen->n_monitor_infos == 0)
{
meta_topic (META_DEBUG_XINERAMA,
"No Xinerama screens, using default screen info\n");
screen->monitor_infos = g_new0 (MetaMonitorInfo, 1);
screen->n_monitor_infos = 1;
screen->monitor_infos[0].number = 0;
screen->monitor_infos[0].rect = screen->rect;
screen->monitor_infos[0].in_fullscreen = -1;
}
filter_mirrored_monitors (screen);
screen->monitor_infos[screen->primary_monitor_index].is_primary = TRUE;
g_assert (screen->n_monitor_infos > 0);
g_assert (screen->monitor_infos != NULL);
screen->monitor_infos = meta_monitor_manager_get_monitor_infos (manager,
(unsigned*)&screen->n_monitor_infos);
screen->primary_monitor_index = meta_monitor_manager_get_primary_index (manager);
}
/* The guard window allows us to leave minimized windows mapped so
@@ -674,6 +516,7 @@ meta_screen_new (MetaDisplay *display,
guint32 manager_timestamp;
gulong current_workspace;
MetaWaylandCompositor *compositor;
MetaMonitorManager *manager;
replace_current_wm = meta_get_replace_current_wm ();
@@ -833,17 +676,15 @@ meta_screen_new (MetaDisplay *display,
screen->xroot = xroot;
screen->rect.x = screen->rect.y = 0;
if (meta_is_wayland_compositor ())
{
compositor = meta_wayland_compositor_get_default ();
screen->rect.width = clutter_actor_get_width (compositor->stage);
screen->rect.height = clutter_actor_get_height (compositor->stage);
}
else
{
screen->rect.width = WidthOfScreen (screen->xscreen);
screen->rect.height = HeightOfScreen (screen->xscreen);
}
meta_monitor_manager_initialize ();
manager = meta_monitor_manager_get ();
g_signal_connect (manager, "monitors-changed",
G_CALLBACK (on_monitors_changed), screen);
meta_monitor_manager_get_screen_size (manager,
&screen->rect.width,
&screen->rect.height);
screen->current_cursor = -1; /* invalid/unset */
screen->default_xvisual = DefaultVisualOfScreen (screen->xscreen);
@@ -869,10 +710,6 @@ meta_screen_new (MetaDisplay *display,
screen->compositor_data = NULL;
screen->guard_window = None;
screen->monitor_infos = NULL;
screen->n_monitor_infos = 0;
screen->last_monitor_index = 0;
reload_monitor_infos (screen);
meta_cursor_tracker_get_for_screen (screen);
@@ -959,7 +796,7 @@ meta_screen_new (MetaDisplay *display,
meta_verbose ("Added screen %d ('%s') root 0x%lx\n",
screen->number, screen->screen_name, screen->xroot);
return screen;
}
@@ -3007,19 +2844,15 @@ meta_screen_resize_func (MetaScreen *screen,
meta_window_recalc_features (window);
}
void
meta_screen_resize (MetaScreen *screen,
int width,
int height)
static void
on_monitors_changed (MetaMonitorManager *manager,
MetaScreen *screen)
{
GSList *windows, *tmp;
MetaMonitorInfo *old_monitor_infos;
GSList *tmp, *windows;
screen->rect.width = width;
screen->rect.height = height;
/* Save the old monitor infos, so they stay valid during the update */
old_monitor_infos = screen->monitor_infos;
meta_monitor_manager_get_screen_size (manager,
&screen->rect.width,
&screen->rect.height);
reload_monitor_infos (screen);
set_desktop_geometry_hint (screen);
@@ -3031,8 +2864,8 @@ meta_screen_resize (MetaScreen *screen,
changes.x = 0;
changes.y = 0;
changes.width = width;
changes.height = height;
changes.width = screen->rect.width;
changes.height = screen->rect.height;
XConfigureWindow(screen->display->xdisplay,
screen->guard_window,
@@ -3042,7 +2875,8 @@ meta_screen_resize (MetaScreen *screen,
if (screen->display->compositor)
meta_compositor_sync_screen_size (screen->display->compositor,
screen, width, height);
screen,
screen->rect.width, screen->rect.height);
/* Queue a resize on all the windows */
meta_screen_foreach_window (screen, meta_screen_resize_func, 0);
@@ -3058,7 +2892,6 @@ meta_screen_resize (MetaScreen *screen,
meta_window_update_for_monitors_changed (window);
}
g_free (old_monitor_infos);
g_slist_free (windows);
meta_screen_queue_check_fullscreen (screen);